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This species is accepted, and its native range is Ethiopia to N. Tanzania.

[FTEA]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Tanzania, Kilimanjaro, Ol Molog, Endlich 122 (B, holo.)
Morphology General Habit
Perennial up to 95 cm tall, with a thick creeping woody nodular rhizome, covered by fibrous remains of old scales.
Morphology Culms
Culms tufted, 40–72 cm long, 2–2.9 mm wide, trigonous, almost glabrous
Morphology Leaves
Leaf blade linear, flat, 14–52 cm long, 3–4.7 mm wide, scabrid on primary vein, apex acute to acuminate Leaves up to 62 cm long. Leaf sheath green to pale brown, 3.5–10 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, erect to spreading, 3–4, lowermost 9.5–38 cm long, 2.9–4.4 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a compound anthela, primary branches 4–7, 0–6 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in loose, rather distant spikes, sessile and at the end of primary branches, 3–21 per spike, linear-lanceolate, 4.5–17 mm long, 2.4–3.7 mm wide, rachilla straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dark reddish-brown to almost black, ovate, 2.7–3.8 mm long, 1.6–1.8 mm wide, keel yellowish to green, slightly excurrent, apex slightly mucronate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 2.5–3.7 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1.5–2 mm long
Morphology Reproductive morphology Fruits
Nutlet greyish, obovoid, trigonous, 1.3–1.7 mm long, 0.5–0.8 mm wide, reticulate with raised cell walls, often in transversely wrinkled pattern.
Ecology
In swamps, seasonal pools, wet grassland and on black cotton soil; 1100–1700(–2450?) m
Conservation
Widespread; least concern (LC)
Note
Easy to recognize by its nodular rhizome and dark, almost black inflorescence.
Distribution
Range: Ethiopia Flora districts: K4 T1 T2

Native to:

Ethiopia, Kenya, Tanzania

Cyperus kilimandscharicus Kük. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bidgood, S. [5430], Tanzania K000190660
Bidgood, S. [5097], Tanzania K000190325

First published in Repert. Spec. Nov. Regni Veg. 21: 326 (1925)

Accepted by

  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Literature

Kew Backbone Distributions

  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Flora of Tropical East Africa

  • E.P. 4, 20 (101): 106 (1936)
  • F.R. 21: 326 (1925)
  • Fl. Eth. 6: 448 (1997).
  • Haines & Lye, Sedges & Rushes E. Afr.: 184, figs. 357, 358 (1983)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0